| Acronym | Meaning |
 | DACT | Data Automated Communications Terminal - Dissimilar Air Combat Training |
| YD | People's Democratic Republic Of Yemen (ISO 3166 Digram |
| HR | Croatian Language (ISO 639-1 Code) |
| ENVL | Envelope |
| IY | Iraqi-Saudi Neutral Zone (FIPS 10-4 Territory Code; Obsolete 1993) |
| AMFR | Age-specific Marital Fertility Rate - Amplitude Modulation Following Response |
| JATO | Jet-Assisted Take-Off |
| UWO | University Of Western Ontario |
| NACMA | NATO Air Command And Control System Management Agency |
| NTZ | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Trigram; Obsolete 1993) |
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